Nicolas George wrote: > Reco (12023-03-17): > > Well, theoretically you can use Btrfs instead. > > No, I cannot. Obviously. > > > What you're trying to do sounds suspiciously similar to an old "RAID > > split-mirror" backup technique. > > Absolutely not. > > If you do not understand the question, it is okay to not answer.
If Reco didn't understand your question, it's because you are very light on details. So far you've got recommendations on how to solve your expressed problem with mdadm and drbd. Since you aren't clear about limitations other than minimizing the number of interruptions and manual steps, I will also recommend these on-filesystem level approaches: rsync fssync -dsr-
